Update Go to 1.21 and remove Lambda stub

.github/workflows/release.yml

@@ -23,7 +23,7 @@ jobs:
         name: Set up Go
         uses: actions/setup-go@v4
         with:
-          go-version: 1.19
+          go-version: 1.21
       -
         name: Run GoReleaser in snapshot mode
         uses: goreleaser/goreleaser-action@v4

README.md

@@ -9,7 +9,6 @@ any of the running services.
 This process is available as:
  - A Go Module: `import "github.com/silinternational/ecs-ami-deploy/v2"`
  - A command line application. See `cli/` directory
- - A Lambda function that can be scheduled or triggered automatically whenever a new ECS optimized AMI is released
 
 ## Why did we build this?
 AWS releases new ECS optimized AMIs on a pretty frequent basis. It's generally a good idea to keep up to 
@@ -31,11 +30,10 @@ one by one, EC2 instances are removed from service and terminated, and only when
 they have zero pending tasks, then the next EC2 instance can be removed from service and so forth. 
 
 ## Idempotency
-Gracefully replacing instances can take some time, especially for clusters with many instances supporting them. Since 
-it is expected that this process will be run by a Lambda, which has a runtime limit of 15 minutes, the process was 
-designed to be fault-tolerant and to pick up where it left off should it be killed due to timeout. One of the ways 
-this is accomplished is that all EC2 instances in the ASG are tagged before being detached and terminated. On successive runs
-the process looks for tagged instances for the given cluster that are no longer in service and continues the graceful 
+Gracefully replacing instances can take some time, especially for clusters with many instances supporting them. The
+process was designed to be fault-tolerant and to pick up where it left off should it terminate. One of the ways this is
+accomplished is that all EC2 instances in the ASG are tagged before being detached and terminated. On successive runs 
+the process looks for tagged instances for the given cluster that are no longer in service and continues the graceful
 termination process while monitoring the ECS cluster services for stability.
 
 If `--force-replacement` is enabled, the process will always replace all instances whether there is a newer AMI 

cli/cmd/root.go

@@ -32,8 +32,7 @@ var (
 var rootCmd = &cobra.Command{
 	Use:   "ecs-ami-deploy",
 	Short: "Rotate AMI used in ASG for latest ECS Optimized image",
-	Long: `A CLI, library, and Lambda function for rotating instances in an auto-scaling group with
-an updated ECS optimized image`,
+	Long:  `A utility for rotating instances in an auto-scaling group with an updated ECS optimized image`,
 }
 
 // Execute adds all child commands to the root command and sets flags appropriately.

go.mod

@@ -1,43 +1,47 @@
 module github.com/silinternational/ecs-ami-deploy/v2
 
-go 1.19
+go 1.21
 
 require (
-	github.com/aws/aws-lambda-go v1.37.0
-	github.com/aws/aws-sdk-go-v2 v1.17.5
-	github.com/aws/aws-sdk-go-v2/config v1.18.15
-	github.com/aws/aws-sdk-go-v2/service/autoscaling v1.27.2
-	github.com/aws/aws-sdk-go-v2/service/ec2 v1.86.1
-	github.com/aws/aws-sdk-go-v2/service/ecs v1.24.0
-	github.com/spf13/cobra v1.6.1
-	github.com/spf13/viper v1.15.0
+	github.com/aws/aws-sdk-go-v2 v1.23.1
+	github.com/aws/aws-sdk-go-v2/config v1.25.4
+	github.com/aws/aws-sdk-go-v2/service/autoscaling v1.35.2
+	github.com/aws/aws-sdk-go-v2/service/ec2 v1.137.0
+	github.com/aws/aws-sdk-go-v2/service/ecs v1.33.2
+	github.com/spf13/cobra v1.8.0
+	github.com/spf13/viper v1.17.0
 )
 
 require (
-	github.com/aws/aws-sdk-go-v2/credentials v1.13.15 // indirect
-	github.com/aws/aws-sdk-go-v2/feature/ec2/imds v1.12.23 // indirect
-	github.com/aws/aws-sdk-go-v2/internal/configsources v1.1.29 // indirect
-	github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 v2.4.23 // indirect
-	github.com/aws/aws-sdk-go-v2/internal/ini v1.3.30 // indirect
-	github.com/aws/aws-sdk-go-v2/service/internal/presigned-url v1.9.23 // indirect
-	github.com/aws/aws-sdk-go-v2/service/sso v1.12.4 // indirect
-	github.com/aws/aws-sdk-go-v2/service/ssooidc v1.14.4 // indirect
-	github.com/aws/aws-sdk-go-v2/service/sts v1.18.5 // indirect
-	github.com/aws/smithy-go v1.13.5 // indirect
-	github.com/fsnotify/fsnotify v1.6.0 // indirect
+	github.com/aws/aws-sdk-go-v2/credentials v1.16.3 // indirect
+	github.com/aws/aws-sdk-go-v2/feature/ec2/imds v1.14.5 // indirect
+	github.com/aws/aws-sdk-go-v2/internal/configsources v1.2.4 // indirect
+	github.com/aws/aws-sdk-go-v2/internal/endpoints/v2 v2.5.4 // indirect
+	github.com/aws/aws-sdk-go-v2/internal/ini v1.7.1 // indirect
+	github.com/aws/aws-sdk-go-v2/service/internal/accept-encoding v1.10.1 // indirect
+	github.com/aws/aws-sdk-go-v2/service/internal/presigned-url v1.10.4 // indirect
+	github.com/aws/aws-sdk-go-v2/service/sso v1.17.3 // indirect
+	github.com/aws/aws-sdk-go-v2/service/ssooidc v1.20.1 // indirect
+	github.com/aws/aws-sdk-go-v2/service/sts v1.25.4 // indirect
+	github.com/aws/smithy-go v1.17.0 // indirect
+	github.com/fsnotify/fsnotify v1.7.0 // indirect
 	github.com/hashicorp/hcl v1.0.0 // indirect
 	github.com/inconshreveable/mousetrap v1.1.0 // indirect
 	github.com/jmespath/go-jmespath v0.4.0 // indirect
 	github.com/magiconair/properties v1.8.7 // indirect
 	github.com/mitchellh/mapstructure v1.5.0 // indirect
-	github.com/pelletier/go-toml/v2 v2.0.6 // indirect
-	github.com/spf13/afero v1.9.4 // indirect
-	github.com/spf13/cast v1.5.0 // indirect
-	github.com/spf13/jwalterweatherman v1.1.0 // indirect
+	github.com/pelletier/go-toml/v2 v2.1.0 // indirect
+	github.com/sagikazarmark/locafero v0.3.0 // indirect
+	github.com/sagikazarmark/slog-shim v0.1.0 // indirect
+	github.com/sourcegraph/conc v0.3.0 // indirect
+	github.com/spf13/afero v1.10.0 // indirect
+	github.com/spf13/cast v1.5.1 // indirect
 	github.com/spf13/pflag v1.0.5 // indirect
-	github.com/subosito/gotenv v1.4.2 // indirect
-	golang.org/x/sys v0.5.0 // indirect
-	golang.org/x/text v0.7.0 // indirect
+	github.com/subosito/gotenv v1.6.0 // indirect
+	go.uber.org/multierr v1.11.0 // indirect
+	golang.org/x/exp v0.0.0-20231110203233-9a3e6036ecaa // indirect
+	golang.org/x/sys v0.14.0 // indirect
+	golang.org/x/text v0.14.0 // indirect
 	gopkg.in/ini.v1 v1.67.0 // indirect
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 )